Dec 18 15:30:13.921 INFO checking greentask-0.2.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 15:30:13.921 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/greentask/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 15:30:14.268 INFO [stdout] 8d0f4a42fbbf50321c2d901e8253bf97db6497c853bafd37556d9a2a7ca59785
Dec 18 15:30:14.274 INFO running `"docker" "start" "-a" "8d0f4a42fbbf50321c2d901e8253bf97db6497c853bafd37556d9a2a7ca59785"`
Dec 18 15:30:16.411 INFO [stderr]    Compiling context v1.0.1
Dec 18 15:30:18.204 INFO [stderr]     Checking coroutine v0.8.0
Dec 18 15:30:18.861 INFO [stderr]     Checking greentask v0.2.0 (/opt/crater/workdir)
Dec 18 15:30:19.644 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.29s
Dec 18 15:30:20.546 INFO running `"docker" "inspect" "8d0f4a42fbbf50321c2d901e8253bf97db6497c853bafd37556d9a2a7ca59785"`
Dec 18 15:30:20.770 INFO running `"docker" "rm" "-f" "8d0f4a42fbbf50321c2d901e8253bf97db6497c853bafd37556d9a2a7ca59785"`
Dec 18 15:30:21.033 INFO [stdout] 8d0f4a42fbbf50321c2d901e8253bf97db6497c853bafd37556d9a2a7ca59785